HORIZONTAL ROOT FRACTURE ( MANAGEMENT- intra -radicular splinting )

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First root canal treatment should be initiated. A no. 15 K file should be passed through the fracture and the apical root segment should be accessed.  Then the fractured tooth should be fixed rigidly using a dentin-bonded composite resin (EX : Filtek Z250, 3M ESPE.),with the adjacent teeth.The root canal should be cleaned, shaped and enlarged to a size of file 70,and the canal should be filled temporarily for 3 months with calcium hydroxide paste.

After three months, the dressing should be carefully removed from the canal, and the canal was enlarged to no. 110 K file size. Any resin root canal sealer (EX : AH PLUS Dentsply, Germany) should be introduced into the canal using a K file. Zinc polycarboxylate cement should be mixed and placed in the canal with a lentulo spiral carefully and then a no. 110 K file should be coated with polycarboxylate cement and fixed in the canal. After the polycarboxylate cement set, the hand part of the K file should be cut away using diamond round burs on a high-speed air turbine with water-cooling. The endodontic access cavity should be then  filled with the dentin-bonded composite resin.

REF : Dental Traurnatologv ,24,2008.